Adsorption Study of PAA onto Alumina Powder in Magnesium Chloride Solutions

Journal of Inorganic Materials

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Adsorption Study of PAA onto Alumina Powder in Magnesium Chloride Solutions

SUN Jing; GAO Lian

State Key Lab of High Performance Ceramics and Superfine Microstructure; Shanghai Institute of Ce- ramics; Chinese Academy of Sciences; Shanghai 200050; China

Received:2001-02-22 Revised:2001-05-10 Published:2002-01-20 Online:2002-01-20

Abstract

Abstract: The paper presents the results on the adsorption behaviour of polyacrylic acid onto alumina with the presence of magnesium ions. Both the salt concentration and pH have great influence on the adsorption isotherms. Comparing with the adsorption behaviour in sodium chlo- ride solution, magnesium ions can enhance the adsorption amount obviously. Magnesium ions are co-adsorbed onto alumina powders as a complex with PAA.

Key words: magnesium chloride solution, alumina, PAA, adsorption behaviour

CLC Number:

TF123

SUN Jing,GAO Lian. Adsorption Study of PAA onto Alumina Powder in Magnesium Chloride Solutions[J]. Journal of Inorganic Materials.

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Adsorption Study of PAA onto Alumina Powder in Magnesium Chloride Solutions

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